Humidifier



FIG. 1 is a right, front, top perspective view of a humidifier in accordance with the present invention;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines represent portions of the structure that form no part of the claim. 

CLAIM An ornamental design for a humidifier, as shown in the accompanying drawings. 